Home / 630,723.48-945,420.78-314,516.08

Finding the Fourth Proportional to 630,723.48, 945,420.78 and 314,516.08

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Solution

The fourth proportional to 630,723.48, 945,420.78 and 314,516.08 is: 471,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,723.48 : 945,420.78 = 314,516.08 : x
  2. Step 2: Convert to fraction form
    630,723.48/945,420.78 = 314,516.08/x
  3. Step 3: Cross multiply
    630,723.48x = 945,420.78 × 314,516.08
  4. Step 4: Simplify right side
    630,723.48x = 297,350,037,676.14
  5. Step 5: Solve for x
    x = 297,350,037,676.14/630,723.48
  6. Step 6: Final answer
    x = 471,442.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.